cmake_minimum_required(VERSION 3.4)

set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_SKIP_RPATH ON)

option(BUILD_DOC "Build documentation" OFF)

add_subdirectory(libuuu)
add_subdirectory(uuu)

if (BUILD_DOC)
	# check if Doxygen is installed
	find_package(Doxygen)
	if (DOXYGEN_FOUND)
	    # set input and output files
	    set(DOXYGEN_IN ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in)
	    set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)

	    # request to configure the file
	    configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY)
	    message("Doxygen build started")

	    # note the option ALL which allows to build the docs together with the application
	    add_custom_target( doc_doxygen ALL
		COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
		COMMENT "Generating documentation with Doxygen"
		VERBATIM )
	else (DOXYGEN_FOUND)
		message("Doxygen need to be installed to generate the doxygen documentation")
	endif (DOXYGEN_FOUND)
endif (BUILD_DOC)
